The National Institute of Health (NIH) has released an urgent advisory to help prevent and control the spread of Chikungunya virus across Pakistan, particularly in Karachi and other affected regions. The virus, which is now endemic in several areas, is transmitted by Aedes mosquitoes, the same type responsible for dengue fever transmission.
According to the NIH, one of the major risk factors for contracting the virus is close proximity to mosquito breeding sites, especially during the active mosquito season. It’s also possible for individuals to contract both Chikungunya and dengue at the same time, as the viruses can co-exist in the same areas.
Precautions During Mosquito Season
In response to the heightened risk, the NIH is calling for increased vigilance and early detection efforts. Health authorities are being urged to enhance their preparedness to handle Acute Febrile Viral Illnesses, which includes suspected Chikungunya cases.
The advisory emphasizes the importance of proactive measures to prevent mosquito bites, such as using mosquito repellents, wearing long sleeves, and eliminating standing water where mosquitoes breed.
Symptoms and Transmission
Symptoms of the Chikungunya virus generally appear within four to eight days after exposure and can include fever, joint pain, rash, and fatigue. The viraemia period, when the virus is active in the bloodstream, usually lasts about five to seven days. The virus is primarily spread by Aedes aegypti and Aedes albopictus mosquitoes, which are most active during the day.
While Chikungunya shares many symptoms with dengue, it is typically less severe, with fewer reports of hemorrhagic complications. However, co-infections can complicate the diagnosis and treatment process, making prevention all the more critical.
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